The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 31 hours. Why not try and solve them ahead of time?
Emojify in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 801st Yewzir 🇧🇪 379 263 559ms 15 Jan 2024 802nd lelbal 379 295 11ms 24 Nov 2022 803rd lowlighter 379 355 12ms 12 Mar 2021 804th Vaekor 378 296 10ms 26 Feb 2024 804th JOrE20 378 296 10ms 3 Jan 2026 806th Adix-null 🇱🇹 378 313 544ms 7 Jul 2023 807th KatieLG 🇬🇧 378 335 4ms 23 Mar 2024 808th Chinay-Domitrix 🇺🇸 377 270 4,090ms 15 days ago 809th johnburton0517 377 357 12ms 14 Jul 2023 810th eldritchconundrum 376 315 479ms 21 Nov 2021 811th stordev 375 298 16ms 26 Feb 2021 811th Bodo171 375 298 18ms 8 Dec 2022 813th BREMAUCY 🇫🇷 374 224 40ms 16 Apr 2024 814th janbehrens 🇩🇪 374 244 4ms 17 Jun 2023 815th emgordon154 374 294 2ms 10 Jun 2025 816th JRaspass 🇬🇧 374 422 335ms 1 Jun 2022 817th dokutan 373 273 3,923ms 7 Jun 2025 818th te-chnical 373 300 11ms 5 Jan 2026 819th HenryTy83 373 361 11ms 5 May 2023 819th Maznek 373 361 11ms 2 Jul 2023 819th Florian-Mt 373 361 13ms 14 Nov 2023 819th nsprd 373 361 12ms 18 Jan 2024 819th wh3n3v3r 🇨🇿 373 361 11ms 12 Nov 2024 819th gigaprofisi 🇺🇸 373 361 10ms 20 Jun 2025 819th CaedenHarper 🇨🇦 373 361 13ms 21 Aug 2025 819th olleicua 🇺🇸 373 361 11ms 11 Sep 2025 827th JGDoerrer 373 430 159ms 29 Jan 2022 828th zbreit 🇺🇸 372 301 10ms 20 Aug 2021 828th CutSandstone 372 301 10ms 4 Jul 2024 830th shu-bc 372 424 371ms 26 Oct 2022 831st antonymontana 371 362 10ms 7 Dec 2020 831st johanrosenson 371 362 13ms 8 Dec 2021 831st mackereldev 371 362 12ms 28 Apr 2022 831st ollyspooner 371 362 11ms 25 Nov 2022 831st FrederikHutfless 🇩🇪 371 362 12ms 22 Dec 2022 836th Tim-ats-d 371 425 28ms 21 Jun 2023 837th KatieLG 🇬🇧 370 299 105ms 12 Nov 2022 838th ValentinCassayre 370 302 10ms 8 Oct 2022 838th jerebenitez 370 302 12ms 8 Dec 2023 840th rschwa6308 🇺🇸 369 303 9ms 8 Nov 2021 841st bbb651 🇮🇱 369 364 10ms 25 Nov 2020 841st tetrogem 369 364 13ms 8 Sep 2021 841st zaneshaw 369 364 12ms 28 Apr 2022 844th zugch 368 365 12ms 7 Oct 2024 845th CaedenHarper 🇨🇦 368 429 329ms 28 Oct 2025 846th lacroixjonathan87 367 314 6ms 8 Dec 2021 847th DaCuteRaccoon 367 366 11ms 21 Apr 2022 847th 1231234md5 🇨🇳 367 366 10ms 15 Dec 2023 847th hacker112 🇸🇪 367 366 11ms 23 Jun 2024 847th MrMullac 367 366 13ms 23 Mar 2025 847th andrewl64 367 366 11ms 25 Sep 2025 847th Cube14yt 367 366 11ms 19 Nov 2025 847th Roachbones 367 366 13ms 16 Jan 2026 854th msbranicky 367 436 221ms 14 Oct 2023 855th benjamin-brady 366 306 18ms 16 Aug 2021 855th trist224 🇫🇷 366 306 31ms 29 Sep 2022 855th jtaxen 366 306 13ms 14 May 2024 858th Re-Adventures 🇮🇳 366 315 5ms 7 Jul 2023 859th doge1338 366 367 10ms 14 Dec 2020 859th Thonoton 366 367 12ms 9 Mar 2023 859th CristhoferT29 366 367 12ms 6 Jul 2024 859th 4very 366 367 13ms 7 Jun 2025 863rd genmeblog 365 326 7ms 11 Dec 2023 863rd KatieLG 🇬🇧 365 326 6ms 11 Dec 2023 865th con-cs 364 369 13ms 15 Oct 2021 865th sech1p 🇵🇱 364 369 15ms 31 Oct 2021 865th GulgDev 364 369 11ms 14 Nov 2023 868th IchBinMichMarkus 363 370 11ms 4 Jul 2024 869th doge1338 363 434 381ms 14 Dec 2020 870th ian-h-chamberlain 🇺🇸 363 441 217ms 14 Aug 2022 871st SirFireball3521 362 211 142ms 1 Mar 2023 872nd Andriamanitra 🇫🇮 362 254 1,491ms 9 Apr 2022 873rd ellis-rix 362 309 17ms 21 Dec 2022 874th adgh 🇬🇧 362 365 81ms 11 Dec 2024 875th ThibWillFulll 362 372 14ms 6 May 2022 875th null-tangent 362 372 11ms 14 May 2023 875th MCausc78 🇺🇦 362 372 14ms 20 Aug 2023 878th firegene 🇮🇪 361 310 20ms 6 Dec 2021 879th MichalMarsalek 🇨🇿 361 382 94ms 12 Feb 2023 880th TannerJ07 🇺🇸 361 444 186ms 4 Apr 2025 First Prev 801–880 of 1,349 Next Last